Decades ago, researchers dreamed about cars that could park themselves and avoid accidents. And now, it’s no longer science fiction.

Today on River to River, a look at the latest transportation-related news. We look at modern advances to our transportation systems, including self-driving cars, an update on the controversy surrounding traffic cameras in Iowa, the effects of cannabis on a driver, the hazards of all-terrain vehicles, and efforts by the Iowa DNR to crack down on drinking while driving on the water.

Iowa Governor Terry Branstad would support a bill with limited medical uses for cannabis if it looks similar to legislation passed in Utah. Host Clay Masters talks with Branstad about medical marijuana, the juvenile home, secret settlements, and more on this Legislative Day edition of River to River from the Law Library at the Iowa state capitol building.

Illinois recently became the 20th state to legalize medical marijuana. And, some in Iowa are pushing for a similar initiative. Today on River to River, host Ben Kieffer sits down with Iowa patients and families who believe cannabis to be an effective medicine for their suffering. He talks with medical professionals about the benefits and the concerns of using the drug as medicine. And, State Senator Joe Bolkcom and Iowa’s drug policy coordinator Steve Lukan give a preview of how this issue will play out in the upcoming Iowa legislative session.